CPU to ISA Version Mapping¶
Mapping of some CPU versions to relevant ISA versions.
Note Power4 and Power4+ are not supported.
CPU  | 
Architecture version  | 
|---|---|
Power10  | 
Power ISA v3.1  | 
Power9  | 
Power ISA v3.0B  | 
Power8  | 
Power ISA v2.07  | 
e6500  | 
Power ISA v2.06 with some exceptions  | 
e5500  | 
Power ISA v2.06 with some exceptions, no Altivec  | 
Power7  | 
Power ISA v2.06  | 
Power6  | 
Power ISA v2.05  | 
PA6T  | 
Power ISA v2.04  | 
Cell PPU  | 
  | 
Power5++  | 
Power ISA v2.04 (no VMX)  | 
Power5+  | 
Power ISA v2.03  | 
Power5  | 
  | 
PPC970  | 
  | 
Power4+  | 
  | 
Power4  | 
  | 
Key Features¶
CPU  | 
VMX (aka. Altivec)  | 
|---|---|
Power10  | 
Yes  | 
Power9  | 
Yes  | 
Power8  | 
Yes  | 
e6500  | 
Yes  | 
e5500  | 
No  | 
Power7  | 
Yes  | 
Power6  | 
Yes  | 
PA6T  | 
Yes  | 
Cell PPU  | 
Yes  | 
Power5++  | 
No  | 
Power5+  | 
No  | 
Power5  | 
No  | 
PPC970  | 
Yes  | 
Power4+  | 
No  | 
Power4  | 
No  | 
CPU  | 
VSX  | 
|---|---|
Power10  | 
Yes  | 
Power9  | 
Yes  | 
Power8  | 
Yes  | 
e6500  | 
No  | 
e5500  | 
No  | 
Power7  | 
Yes  | 
Power6  | 
No  | 
PA6T  | 
No  | 
Cell PPU  | 
No  | 
Power5++  | 
No  | 
Power5+  | 
No  | 
Power5  | 
No  | 
PPC970  | 
No  | 
Power4+  | 
No  | 
Power4  | 
No  | 
CPU  | 
Transactional Memory  | 
|---|---|
Power10  | 
No (* see Power ISA v3.1, "Appendix A. Notes on the Removal of Transactional Memory from the Architecture")  | 
Power9  | 
Yes (* see Transactional Memory support)  | 
Power8  | 
Yes  | 
e6500  | 
No  | 
e5500  | 
No  | 
Power7  | 
No  | 
Power6  | 
No  | 
PA6T  | 
No  | 
Cell PPU  | 
No  | 
Power5++  | 
No  | 
Power5+  | 
No  | 
Power5  | 
No  | 
PPC970  | 
No  | 
Power4+  | 
No  | 
Power4  | 
No  |